<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 向对象中添加方法 up down
        let game = {
            down:function(){},
            name:'俄罗斯方块',
            up:function(){},
            
        }
        
        // 声明一个对象
        // let methods = {
        //     up:Symbol(),
        //     down:Symbol()
        // };

        // game[methods.up] = function(){
        //     console.log('up');
        // }
        // game[methods.down] = function(){
        //     console.log('down');
        // }
        // console.log(game);

        let youxi = {
            name:'狼人杀',
            [Symbol('say')]:function(){
                console.log('我可以发言');
            },
            [Symbol('zibao')]:function(){
                console.log('我可以自爆');
            }
        }
        console.log(youxi);
    </script>
</body>
</html>